java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/interpolation_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:45:20,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:45:20,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:45:20,308 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:45:20,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:45:20,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:45:20,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:45:20,315 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:45:20,318 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:45:20,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:45:20,327 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:45:20,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:45:20,330 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:45:20,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:45:20,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:45:20,335 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:45:20,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:45:20,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:45:20,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:45:20,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:45:20,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:45:20,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:45:20,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:45:20,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:45:20,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:45:20,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:45:20,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:45:20,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:45:20,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:45:20,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:45:20,362 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:45:20,363 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 15:45:20,367 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:45:20,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:45:20,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:45:20,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:45:20,399 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:45:20,401 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:45:20,401 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:45:20,401 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:45:20,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:45:20,402 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:45:20,402 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:45:20,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:45:20,402 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:45:20,403 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:45:20,404 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:45:20,404 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:45:20,404 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:45:20,404 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:45:20,404 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:45:20,405 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:45:20,405 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:45:20,405 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:45:20,405 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:45:20,405 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:45:20,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:45:20,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:45:20,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:45:20,407 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:45:20,408 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:45:20,408 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:45:20,408 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:45:20,408 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:45:20,408 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:45:20,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:45:20,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:45:20,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:45:20,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:45:20,482 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:45:20,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/interpolation_true-unreach-call_true-termination.c [2018-09-19 15:45:20,857 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30cadfc73/12c885b3af564493a964c205c6adc8a3/FLAGb4571faae [2018-09-19 15:45:21,102 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:45:21,103 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/interpolation_true-unreach-call_true-termination.c [2018-09-19 15:45:21,111 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30cadfc73/12c885b3af564493a964c205c6adc8a3/FLAGb4571faae [2018-09-19 15:45:21,128 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30cadfc73/12c885b3af564493a964c205c6adc8a3 [2018-09-19 15:45:21,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:45:21,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:45:21,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:45:21,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:45:21,151 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:45:21,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23130ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21, skipping insertion in model container [2018-09-19 15:45:21,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,167 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:45:21,396 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:45:21,419 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:45:21,431 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:45:21,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21 WrapperNode [2018-09-19 15:45:21,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:45:21,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:45:21,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:45:21,452 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:45:21,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... [2018-09-19 15:45:21,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:45:21,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:45:21,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:45:21,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:45:21,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:45:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:45:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:45:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:45:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:45:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:45:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 15:45:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-19 15:45:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:45:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:45:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:45:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:45:26,135 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:45:26,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:45:26 BoogieIcfgContainer [2018-09-19 15:45:26,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:45:26,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:45:26,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:45:26,154 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:45:26,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:45:21" (1/3) ... [2018-09-19 15:45:26,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba61560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:45:26, skipping insertion in model container [2018-09-19 15:45:26,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:21" (2/3) ... [2018-09-19 15:45:26,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba61560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:45:26, skipping insertion in model container [2018-09-19 15:45:26,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:45:26" (3/3) ... [2018-09-19 15:45:26,160 INFO L112 eAbstractionObserver]: Analyzing ICFG interpolation_true-unreach-call_true-termination.c [2018-09-19 15:45:26,171 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:45:26,179 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:45:26,229 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:45:26,230 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:45:26,230 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:45:26,230 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:45:26,231 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:45:26,231 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:45:26,231 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:45:26,231 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:45:26,231 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:45:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-09-19 15:45:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-19 15:45:26,259 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:26,260 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:45:26,263 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:26,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2127831134, now seen corresponding path program 1 times [2018-09-19 15:45:26,274 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:26,275 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:26,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:45:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:26,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:45:26,593 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:45:26,607 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:45:26,608 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 15:45:26,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 15:45:26,626 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 15:45:26,627 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 15:45:26,630 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-09-19 15:45:26,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:45:26,652 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-09-19 15:45:26,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 15:45:26,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-09-19 15:45:26,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:45:26,663 INFO L225 Difference]: With dead ends: 35 [2018-09-19 15:45:26,663 INFO L226 Difference]: Without dead ends: 15 [2018-09-19 15:45:26,667 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 15:45:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-19 15:45:26,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-09-19 15:45:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-19 15:45:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-09-19 15:45:26,714 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2018-09-19 15:45:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:45:26,715 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-09-19 15:45:26,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 15:45:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-19 15:45:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-19 15:45:26,716 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:26,716 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:45:26,716 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:26,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1608824159, now seen corresponding path program 1 times [2018-09-19 15:45:26,717 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:26,718 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:26,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:45:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:27,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:45:27,067 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:45:27,079 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:45:27,080 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-19 15:45:27,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-19 15:45:27,082 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-19 15:45:27,083 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-19 15:45:27,083 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 3 states. [2018-09-19 15:45:28,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:45:28,880 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-09-19 15:45:28,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-19 15:45:28,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-09-19 15:45:28,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:45:28,886 INFO L225 Difference]: With dead ends: 27 [2018-09-19 15:45:28,886 INFO L226 Difference]: Without dead ends: 21 [2018-09-19 15:45:28,887 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-19 15:45:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-09-19 15:45:28,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2018-09-19 15:45:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-19 15:45:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-09-19 15:45:28,894 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2018-09-19 15:45:28,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:45:28,894 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-09-19 15:45:28,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-19 15:45:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-19 15:45:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-19 15:45:28,895 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:28,896 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:45:28,896 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:28,896 INFO L82 PathProgramCache]: Analyzing trace with hash -137187415, now seen corresponding path program 1 times [2018-09-19 15:45:28,897 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:28,897 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:28,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:45:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:29,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:31,313 INFO L303 Elim1Store]: Index analysis took 2029 ms [2018-09-19 15:45:31,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2018-09-19 15:45:35,367 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv12 32)) (select v_arrayElimArr_1 (_ bv0 32))) [2018-09-19 15:45:35,368 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:35,371 INFO L303 Elim1Store]: Index analysis took 4049 ms [2018-09-19 15:45:35,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2018-09-19 15:45:37,364 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:39,374 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv30 32)) (select v_arrayElimArr_2 (_ bv1 32))) [2018-09-19 15:45:39,375 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:41,384 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv30 32)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-19 15:45:41,386 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:41,389 INFO L303 Elim1Store]: Index analysis took 6012 ms [2018-09-19 15:45:41,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-09-19 15:45:43,582 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:44,933 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:46,960 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv150 32)) (select v_arrayElimArr_3 (_ bv1 32))) [2018-09-19 15:45:46,962 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:47,690 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:48,465 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:50,299 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:50,303 INFO L303 Elim1Store]: Index analysis took 8905 ms [2018-09-19 15:45:50,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 109 [2018-09-19 15:45:53,204 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:53,514 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:54,055 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:55,396 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:55,647 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:56,342 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:58,351 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv300 32)) (select v_arrayElimArr_4 (_ bv0 32))) [2018-09-19 15:45:58,352 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:59,251 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:00,394 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:01,444 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:01,447 INFO L303 Elim1Store]: Index analysis took 11134 ms [2018-09-19 15:46:01,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 164 [2018-09-19 15:46:01,455 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-09-19 15:46:22,932 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:46:31,573 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:46:40,925 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:46:49,230 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:06,116 INFO L303 Elim1Store]: Index analysis took 2019 ms [2018-09-19 15:47:06,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2018-09-19 15:47:08,622 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv10 32)) (select v_arrayElimArr_5 (_ bv0 32))) [2018-09-19 15:47:08,623 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:08,625 INFO L303 Elim1Store]: Index analysis took 2505 ms [2018-09-19 15:47:08,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2018-09-19 15:47:09,938 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:10,213 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:10,594 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:10,596 INFO L303 Elim1Store]: Index analysis took 1966 ms [2018-09-19 15:47:10,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-09-19 15:47:10,666 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:10,692 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:10,718 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:10,737 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:10,985 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,015 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,018 INFO L303 Elim1Store]: Index analysis took 415 ms [2018-09-19 15:47:11,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 109 [2018-09-19 15:47:11,160 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,265 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,298 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,378 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,469 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,515 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,569 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,608 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,655 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,677 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:11,679 INFO L303 Elim1Store]: Index analysis took 652 ms [2018-09-19 15:47:11,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 164 [2018-09-19 15:47:11,684 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-09-19 15:47:11,879 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:12,006 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:12,089 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:12,166 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:12,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:12,551 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:70, output treesize:84 [2018-09-19 15:47:12,876 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-09-19 15:47:13,412 WARN L178 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-09-19 15:47:14,255 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,296 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,340 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,380 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,421 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,458 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,494 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,535 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,576 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,620 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:14,659 INFO L303 Elim1Store]: Index analysis took 1238 ms [2018-09-19 15:47:14,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 85 [2018-09-19 15:47:14,665 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-09-19 15:47:30,333 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,381 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,413 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,445 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,479 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,510 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,541 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,574 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,606 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,639 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:30,675 INFO L303 Elim1Store]: Index analysis took 648 ms [2018-09-19 15:47:30,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 83 [2018-09-19 15:47:30,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 15:47:39,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 15:47:39,110 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:99, output treesize:29 [2018-09-19 15:47:48,346 WARN L178 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 15 [2018-09-19 15:48:01,643 WARN L797 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c___VERIFIER_assert_#in~cond| (_ bv0 32)))) (or (and (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse0 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (not (fp.geq (fp.div RNE (fp.sub RNE v_prenex_2 .cse0) (fp.sub RNE .cse1 .cse0)) (_ +zero 8 24))) (fp.leq v_prenex_2 .cse1) (fp.geq v_prenex_2 .cse0)))) .cse2) (= (bvadd |c___VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32)) (and .cse2 (exists ((main_~t~0 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse3 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (fp.geq main_~t~0 .cse3) (fp.leq main_~t~0 .cse4) (not (fp.leq (fp.div RNE (fp.sub RNE main_~t~0 .cse3) (fp.sub RNE .cse4 .cse3)) ((_ to_fp 8 24) RNE 1.0))))))))) is different from false [2018-09-19 15:48:11,876 WARN L797 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 32) c___VERIFIER_assert_~cond))) (or (and .cse0 (exists ((main_~t~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse1 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (fp.geq main_~t~0 .cse1) (fp.leq main_~t~0 .cse2) (not (fp.leq (fp.div RNE (fp.sub RNE main_~t~0 .cse1) (fp.sub RNE .cse2 .cse1)) ((_ to_fp 8 24) RNE 1.0))))))) (and .cse0 (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse3 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (not (fp.geq (fp.div RNE (fp.sub RNE v_prenex_2 .cse3) (fp.sub RNE .cse4 .cse3)) (_ +zero 8 24))) (fp.leq v_prenex_2 .cse4) (fp.geq v_prenex_2 .cse3))))) (= (bvadd c___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)))) is different from false [2018-09-19 15:48:22,117 WARN L797 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse0 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (not (fp.geq (fp.div RNE (fp.sub RNE v_prenex_2 .cse0) (fp.sub RNE .cse1 .cse0)) (_ +zero 8 24))) (fp.leq v_prenex_2 .cse1) (fp.geq v_prenex_2 .cse0)))) (exists ((main_~t~0 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse2 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (fp.geq main_~t~0 .cse2) (fp.leq main_~t~0 .cse3) (not (fp.leq (fp.div RNE (fp.sub RNE main_~t~0 .cse2) (fp.sub RNE .cse3 .cse2)) ((_ to_fp 8 24) RNE 1.0))))))) is different from false [2018-09-19 15:48:24,151 WARN L819 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse0 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (not (fp.geq (fp.div RNE (fp.sub RNE v_prenex_2 .cse0) (fp.sub RNE .cse1 .cse0)) (_ +zero 8 24))) (fp.leq v_prenex_2 .cse1) (fp.geq v_prenex_2 .cse0)))) (exists ((main_~t~0 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) RNE (_ bv10 32))) (.cse2 ((_ to_fp 8 24) RNE (_ bv5 32)))) (and (fp.geq main_~t~0 .cse2) (fp.leq main_~t~0 .cse3) (not (fp.leq (fp.div RNE (fp.sub RNE main_~t~0 .cse2) (fp.sub RNE .cse3 .cse2)) ((_ to_fp 8 24) RNE 1.0))))))) is different from true [2018-09-19 15:48:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:48:24,157 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:48:24,173 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:48:24,173 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 15:48:24,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-19 15:48:24,174 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-19 15:48:24,174 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=12, Unknown=6, NotChecked=24, Total=56 [2018-09-19 15:48:24,175 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 8 states. [2018-09-19 15:48:48,968 WARN L178 SmtUtils]: Spent 11.60 s on a formula simplification that was a NOOP. DAG size: 56 [2018-09-19 15:48:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:48:52,050 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-09-19 15:48:52,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-19 15:48:52,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-09-19 15:48:52,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:48:52,054 INFO L225 Difference]: With dead ends: 25 [2018-09-19 15:48:52,054 INFO L226 Difference]: Without dead ends: 19 [2018-09-19 15:48:52,055 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.8s TimeCoverageRelationStatistics Valid=19, Invalid=17, Unknown=6, NotChecked=30, Total=72 [2018-09-19 15:48:52,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-09-19 15:48:52,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2018-09-19 15:48:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-09-19 15:48:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-09-19 15:48:52,061 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2018-09-19 15:48:52,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:48:52,061 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-09-19 15:48:52,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-19 15:48:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-09-19 15:48:52,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-19 15:48:52,062 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:48:52,062 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:48:52,063 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:48:52,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1628322312, now seen corresponding path program 1 times [2018-09-19 15:48:52,063 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:48:52,064 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-19 15:48:52,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:48:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:48:52,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:48:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:48:52,375 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-19 15:48:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:48:52,447 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-19 15:48:52,447 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-09-19 15:48:52,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 15:48:52,448 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 15:48:52,448 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 15:48:52,449 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 6 states. [2018-09-19 15:48:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:48:56,782 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2018-09-19 15:48:56,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 15:48:56,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-09-19 15:48:56,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:48:56,786 INFO L225 Difference]: With dead ends: 38 [2018-09-19 15:48:56,786 INFO L226 Difference]: Without dead ends: 32 [2018-09-19 15:48:56,787 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-09-19 15:48:56,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-09-19 15:48:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-09-19 15:48:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-09-19 15:48:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-09-19 15:48:56,795 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 16 [2018-09-19 15:48:56,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:48:56,795 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-09-19 15:48:56,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 15:48:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-09-19 15:48:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-19 15:48:56,796 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:48:56,796 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:48:56,796 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:48:56,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1704480208, now seen corresponding path program 1 times [2018-09-19 15:48:56,797 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:48:56,797 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-19 15:48:56,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:48:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:48:57,187 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:48:59,218 INFO L303 Elim1Store]: Index analysis took 2027 ms [2018-09-19 15:48:59,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2018-09-19 15:49:03,260 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv12 32)) (select v_arrayElimArr_9 (_ bv0 32))) [2018-09-19 15:49:03,261 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:03,264 INFO L303 Elim1Store]: Index analysis took 4043 ms [2018-09-19 15:49:03,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2018-09-19 15:49:06,385 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_10 (_ bv1 32)) (select v_arrayElimArr_10 (_ bv0 32))) [2018-09-19 15:49:06,386 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:08,116 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:10,125 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv30 32)) (select v_arrayElimArr_10 (_ bv0 32))) [2018-09-19 15:49:10,126 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:10,129 INFO L303 Elim1Store]: Index analysis took 6860 ms [2018-09-19 15:49:10,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-09-19 15:49:13,057 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_11 (_ bv0 32)) (select v_arrayElimArr_11 (_ bv1 32))) [2018-09-19 15:49:13,057 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:13,928 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:14,146 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:16,060 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:18,069 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv150 32)) (select v_arrayElimArr_11 (_ bv0 32))) [2018-09-19 15:49:18,070 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:20,074 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv150 32)) (select v_arrayElimArr_11 (_ bv2 32))) [2018-09-19 15:49:20,076 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:20,079 INFO L303 Elim1Store]: Index analysis took 9945 ms [2018-09-19 15:49:20,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 109 [2018-09-19 15:49:24,112 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_12 (_ bv1 32)) (select v_arrayElimArr_12 (_ bv0 32))) [2018-09-19 15:49:24,113 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:24,713 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:26,151 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:28,175 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv300 32)) (select v_arrayElimArr_12 (_ bv1 32))) [2018-09-19 15:49:28,194 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:30,214 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_12 (_ bv3 32)) (select v_arrayElimArr_12 (_ bv0 32))) [2018-09-19 15:49:30,215 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:31,665 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:31,767 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:33,245 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:35,021 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:36,739 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:36,743 INFO L303 Elim1Store]: Index analysis took 16657 ms [2018-09-19 15:49:36,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 164 [2018-09-19 15:49:36,746 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-09-19 15:49:55,389 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:50:05,377 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. Received shutdown request... [2018-09-19 15:50:13,120 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-19 15:50:13,321 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2018-09-19 15:50:13,322 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 15:50:13,328 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 15:50:13,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:50:13 BoogieIcfgContainer [2018-09-19 15:50:13,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:50:13,329 INFO L168 Benchmark]: Toolchain (without parser) took 292188.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -533.0 MB). Peak memory consumption was 226.7 MB. Max. memory is 7.1 GB. [2018-09-19 15:50:13,330 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:50:13,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:50:13,332 INFO L168 Benchmark]: Boogie Preprocessor took 42.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:50:13,332 INFO L168 Benchmark]: RCFGBuilder took 4641.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2018-09-19 15:50:13,333 INFO L168 Benchmark]: TraceAbstraction took 287185.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 247.4 MB). Peak memory consumption was 247.4 MB. Max. memory is 7.1 GB. [2018-09-19 15:50:13,337 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4641.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 287185.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 247.4 MB). Peak memory consumption was 247.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was analyzing trace of length 18 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 0 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. TIMEOUT Result, 287.1s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 34.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 20 SDslu, 84 SDs, 0 SdLazy, 53 SolverSat, 4 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 21.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 175.1s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 63 ConstructedInterpolants, 4 QuantifiedInterpolants, 8347 SizeOfPredicates, 8 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown